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Criticality Safety Engineer

Job in Idaho Falls, Bonneville County, Idaho, 83401, USA
Listing for: Idaho National Laboratory
Full Time position
Listed on 2025-12-27
Job specializations:
  • Engineering
    Environmental Engineer, Software Engineer, Quality Engineering
Salary/Wage Range or Industry Benchmark: 93204 - 191076 USD Yearly USD 93204.00 191076.00 YEAR
Job Description & How to Apply Below

Criticality Safety Engineer

Idaho National Laboratory is hiring a Criticality Safety Engineer to work in our Criticality Safety Department. Our team works a 9x80 schedule located out of our Idaho Falls, Idaho facility with every other Friday off.

Apply nuclear physics, ANSI/ANS-8 series industry standards, unique computer codes, and state-of-the-art neutron cross section data to derive administrative and engineered controls for the prevention of an inadvertent nuclear chain reaction. Interface with facility operations staff to develop criticality safety controls specific to the facility and operation. Determines safe parameters for safe handling, processing, and storage for the various forms of fissionable materials.

This position is part of the INL Nuclear Nexus.

Responsibilities
  • Perform criticality safety reviews or assessments of existing and proposed facility safety bases, engineering studies, research plans, facility procedures, operating nuclear facilities, proposed new facility designs, and existing facility modifications.
  • Perform criticality safety evaluations that meet DOE-STD-3007 requirements.
  • Apply Conduct of Operations principles in assisting nuclear safety and operations in Safety Basis Implementation Reviews and in conducting training for operations personnel.
  • Perform independent checks of other engineers' computer models and written criticality safety evaluations.
  • Collaborate with project managers, operators, nuclear safety, and criticality safety officers in discussing progress, input assumptions, and proposed controls.
  • Perform software and hardware installation, testing, records, and maintenance activities in accordance with the Software Quality Assurance plan.
  • May act as an organizational point of contact for multiple nuclear facilities on criticality safety issues, particularly criticality safety dose calculations for operations, engineering, environmental safety and health, and project personnel.
  • May perform duties as the System Administrator for the Criticality Safety computational cluster.
  • Perform software quality assurance activities to maintain software configuration management.
  • Support nuclear safety using DOE STD-3009 to create new or update existing Documented Safety Analyses (DSA).
  • Work with and/or lead team evaluations that support safe, cost-effective, and compliant solutions.
  • Other duties as assigned.
Minimum Requirements
  • Bachelor of Science Degree in Nuclear Engineering or other relevant engineering degree and (5) years of related experience or a Masters Degree in Nuclear Engineering or other relevant engineering degree and (2) years of related experience.
  • Must complete criticality safety engineer qualification, upon hire.
  • This position requires the ability to obtain and maintain a Department of Energy "Q" clearance, which requires US Citizenship.
Preferred Knowledge And Skills
  • Experience with MCNP or SCALE computer codes.
  • Experience with LINUX-based operating environment.
Physical Requirements
  • While performing the duties of this classification, the employee is frequently required to stand, walk, sit, stoop, kneel, bend, and work in an office and laboratory environment. The job requires hand/finger dexterity to keyboard or type, handle materials, manipulate tools, and reach with hands and arms. The job requires operation of job-related equipment and driving a vehicle. The employee must occasionally lift and/or move up to 50 pounds.

    Sufficient visual acuity and hearing capacity to perform the essential functions and interact with the public is required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
Job Information
  • The pay range for this position is ($93,204 - $191,076).
  • At Idaho National Laboratory compensation decisions are determined using factors such as education, relevant experience, and other credentials.
  • TDP:
    This is a testing designated position; you will be required to submit to a pre-employment drug screen and periodic drug testing throughout the term of your employment.
Benefits and Relocation
  • Medical, Dental, Vision, and Flexible Spending Accounts
  • 401(k) with a 4.2% employer contribution and up to 4.8%…
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